2556055674 has 48 divisors (see below), whose sum is σ = 5835691680. Its totient is φ = 806332320.

The previous prime is 2556055673. The next prime is 2556055681. The reversal of 2556055674 is 4765506552.

2556055674 is a `hidden beast` number, since 25 + 5 + 6 + 0 + 556 + 74 = 666.

It is not an unprimeable number, because it can be changed into a prime (2556055673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378669 + ... + 385359.

It is an arithmetic number, because the mean of its divisors is an integer number (121576910).

Almost surely, 2^2556055674 is an apocalyptic number.

2556055674 is an abundant number, since it is smaller than the sum of its proper divisors (3279636006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2556055674 is a wasteful number, since it uses less digits than its factorization.

2556055674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7835 (or 7832 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 45.

The square root of 2556055674 is about 50557.4492434102. The cubic root of 2556055674 is about 1367.2778230157.

The spelling of 2556055674 in words is "two billion, five hundred fifty-six million, fifty-five thousand, six hundred seventy-four".